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List of Articles Hamid Reza Mohammadi Open Access Article Abstract Page Full-Text 1 - Investigating the Impact of Competition in the Product Market Using the Herfindahl-Hirschman Index on the Efficiency of Investing in Human Resources in Companies Listed on the Tehran Stock Exchange Hamid Reza Mohammadi Atefeh Abbasi 20.1001.1.27833488.1400.1.1.8.6
